`cnprofessor.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::6815:354e^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:d265^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.53.78^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.210.101^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`arely.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:26a4^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`arely.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2a4^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`arely.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22a4^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`arely.ns.cloudflare.com`
		A	108.162.194.164^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`arely.ns.cloudflare.com`
		A	162.159.38.164^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`arely.ns.cloudflare.com`
		A	172.64.34.164^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`arely.ns.cloudflare.com`
NS	`hans.ns.cloudflare.com`
		A	2606:4700:58::adf5:3baf^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hans.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1af^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`hans.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21af^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`hans.ns.cloudflare.com`
		A	108.162.193.175^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hans.ns.cloudflare.com`
		A	172.64.33.175^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hans.ns.cloudflare.com`
		A	173.245.59.175^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hans.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.53.78, 172.67.210.101
		IPv6 hints	2606:4700:3034::6815:354e, 2606:4700:3035::ac43:d265
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=35, name=cloudflare-ech.com
SOA	`arely.ns.cloudflare.com`dns@cloudflare.com serial=2408195301

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1785646627

Subdomains

www.cnprofessor.com

Same first word

cnprofessor.com

DNS History

17 records (6 active, 11 former)

●NSarely.ns.cloudflare.com2026-05-01 → 2026-08-02 · 3 obs

○ 2017-05-11 03:43:06
● 2026-05-01 07:41:00
● 2026-08-02 05:26:04

○NSexpirens3.hichina.com2017-05-11 → 2017-05-11 · 3 obs

● 2017-05-11 03:43:06
○ 2026-05-01 07:41:00
○ 2026-08-02 05:26:04

○NSexpirens4.hichina.com2017-05-11 → 2017-05-11 · 3 obs

● 2017-05-11 03:43:06
○ 2026-05-01 07:41:00
○ 2026-08-02 05:26:04

●NShans.ns.cloudflare.com2026-05-01 → 2026-08-02 · 3 obs

○ 2017-05-11 03:43:06
● 2026-05-01 07:41:00
● 2026-08-02 05:26:04

○NSns1.domainnamedns.com2026-05-01 → 2026-08-02 · 2 obs

○ 2026-05-01 07:41:00
○ 2026-08-02 05:26:04

○NSns2.domainnamedns.com2026-05-01 → 2026-08-02 · 2 obs

○ 2026-05-01 07:41:00
○ 2026-08-02 05:26:04

○NSns3.domainnamedns.com2026-05-01 → 2026-08-02 · 2 obs

○ 2026-05-01 07:41:00
○ 2026-08-02 05:26:04

○NSns4.domainnamedns.com2026-05-01 → 2026-08-02 · 2 obs

○ 2026-05-01 07:41:00
○ 2026-08-02 05:26:04

○A101.200.176.2182017-05-11 → 2017-05-11 · 3 obs

● 2017-05-11 03:43:06
○ 2026-05-01 07:41:00
○ 2026-08-02 05:26:04

●A104.21.53.782026-05-01 → 2026-08-02 · 3 obs

○ 2017-05-11 03:43:06
● 2026-05-01 07:41:00
● 2026-08-02 05:26:04

●A172.67.210.1012026-05-01 → 2026-08-02 · 3 obs

○ 2017-05-11 03:43:06
● 2026-05-01 07:41:00
● 2026-08-02 05:26:04

○A2606:4700:3031::6815:354e2026-05-01 → 2026-06-09 · 4 obs

○ 2017-05-11 03:43:06
● 2026-05-01 07:41:00
● 2026-06-09 12:40:58
○ 2026-08-02 05:26:04

●A2606:4700:3034::6815:354e2026-08-02 → 2026-08-02 · 2 obs

○ 2026-06-09 12:40:58
● 2026-08-02 05:26:04

○A2606:4700:3034::ac43:d2652026-05-01 → 2026-06-09 · 4 obs

○ 2017-05-11 03:43:06
● 2026-05-01 07:41:00
● 2026-06-09 12:40:58
○ 2026-08-02 05:26:04

●A2606:4700:3035::ac43:d2652026-08-02 → 2026-08-02 · 2 obs

○ 2026-06-09 12:40:58
● 2026-08-02 05:26:04

○A38.33.182.982026-05-01 → 2026-08-02 · 2 obs

○ 2026-05-01 07:41:00
○ 2026-08-02 05:26:04

○A42.120.158.782017-05-11 → 2017-05-11 · 3 obs

● 2017-05-11 03:43:06
○ 2026-05-01 07:41:00
○ 2026-08-02 05:26:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
cnprofessor.com	hans.ns.cloudflare.com, arely.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.175

NS records: hans.ns.cloudflare.com, arely.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cnprofessor.com (unsigned zone)

⏱️ Timing

Total: 226ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.53.78, 172.67.210.101`
AAAA	2	`2606:4700:3035::ac43:d265, 2606:4700:3034::6815:354e`
NS	2	`arely.ns.cloudflare.com, hans.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`arely.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (hans.ns.cloudflare.com, hans.ns.cloudflare.com, hans.ns.cloudflare.com...)

Analysis

Hierarchy

The domain www.cnprofessor.com falls under the parent cnprofessor.com.

IP Addresses

cnprofessor.com points to the four IP addresses 104.21.53.78, 172.67.210.101, 2606:4700:3034::6815:354e and 2606:4700:3035::ac43:d265.

kwcp.net, cityofpensacola.com, www.gepime.com plus two other host names have IP numbers in common with cnprofessor.com.

Name Servers

cnprofessor.com is served by two delegated name servers, arely.ns.cloudflare.com and hans.ns.cloudflare.com.

The name server configuration of cnprofessor.com is shared with other domains, for instance richphotographer.com, ptholic.com, cycloneatcamp.com and two others.

At least some of cnprofessor.com's name servers are shared with other domains, for example meeticy.com, thebirkettmills.com, qdjtq.com and two more.

It is common for these name servers to be used in conjunction with the name servers sullivan.ns.cloudflare.com, brenda.ns.cloudflare.com and jerome.ns.cloudflare.com.

Hosts with 6 IP addresses each:

arely.ns.cloudflare.com carries IP addresses 108.162.194.164, 162.159.38.164 and 172.64.34.164, with 3 other addresses beyond those.

hans.ns.cloudflare.com carries IP addresses 108.162.193.175, 172.64.33.175 and 173.245.59.175, with 3 other addresses beyond those.

cnprofessor.com - robtex.com

cnprofessor.com

com

Subdomains

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

`cnprofessor.com`

`com`